99038479 has 4 divisors (see below), whose sum is σ = 100019160. Its totient is φ = 98057800.

The previous prime is 99038477. The next prime is 99038497. The reversal of 99038479 is 97483099.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 99038479 - 2¹ = 99038477 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (99038477) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 490189 + ... + 490390.

It is an arithmetic number, because the mean of its divisors is an integer number (25004790).

Almost surely, 2^99038479 is an apocalyptic number.

99038479 is a deficient number, since it is larger than the sum of its proper divisors (980681).

99038479 is a wasteful number, since it uses less digits than its factorization.

99038479 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 980680.

The product of its (nonzero) digits is 489888, while the sum is 49.

The square root of 99038479 is about 9951.8078257169. The cubic root of 99038479 is about 462.6664279547. Note that the first 3 decimals are identical.

The spelling of 99038479 in words is "ninety-nine million, thirty-eight thousand, four hundred seventy-nine".